Unit3FoodandCultureUsinglanguage課文解析課件高中英語人教版選擇性

選擇性必修二Unit3

UsingLanguagelanguagepointsasto至于，關(guān)于；就……而論makeupahealthydiet

組成；補(bǔ)足；化妝；編造fattyfood高脂肪食物Thereisincreasingevidencethat

越來越多的證據(jù)表明therealdriverofpoorhealth

不良健康的真正推手asitis“事實(shí)上;實(shí)際情況是”belikelytodosth傾向于，很有可能diefromheartdisease死于心臟病regardlessof

不顧，不管Putmoresimply

簡單地說,簡而言之a(chǎn)rgueoversth(withsb)辯論某事，為…爭論whetherornot

不論，是否Para.1TheAverageAmerican一個普通的美國人TheAmericanHeartAssociation美國心臟協(xié)會recommendsthatsb(should)do建議......limit...to把......限制在onecan(n.一聽的量)ofsweetdrink一罐甜飲料asinglecandybar一塊糖inotherwords換言之cutdownon削減，減少cutout切斷；刪去Para.2Beyondthis除此之外categoryn.種類；類別befullof富含ratherthan

而不是processedfoods加工食物containlessnutrition包含少的營養(yǎng)quantitiesof大量的freshingredients新鮮的原料dairyproducts乳制品providesthforsth提供

=privdesbwithsthaswith

正如；與…一樣theidealdiet理想的飲食abalancedone

均衡的Para.3afundamentalkeyto(doing)一個(做..)基本要素ittakestimetodosth花費(fèi)時(shí)間做某事endupdoing以…而告終allowssb.todo允許某人做某事digestyourfoodbetter更好消化食物inaddition

此外consistenteatinghabits固定的進(jìn)食習(xí)慣takingthreemealsaday一日三餐atthesametimeeachday

每天固定時(shí)間amodestamountoffood適量食物ratherthan而不是Para.4Thereisnoonetrickto…沒有訣竅haveahealthyattitudetowards…對…抱有健康的飲食態(tài)ontherighttrack思想正確；走對路了；未離題的beontheroadto在...過程中，在去...路途中Itisuptoyoutodosth.這取決于你makerightdecisions做出正確的決定Para.5

Thereismuchdebatenowadaysastowhatmakesupahealthydiet.Forexample，scientistshaveinsistedforyearsthatabigenemyofhealthisfattyfood.However，thereisincreasingevidencethattherealdriverofpoorhealthisnotsomuchfattyfood，asitissugaras

to/for是介詞短語,用法與about相同。意為“至手，關(guān)于；就…而論makeup組成；構(gòu)成；編造;和解；和好

makeup

化妝品insist

堅(jiān)持；堅(jiān)決要求

insiston/upondoingsth堅(jiān)持做某事

insist+that從句insist表示“堅(jiān)持主張”和“堅(jiān)決要求”時(shí)that從句用虛擬語氣；而表示“堅(jiān)持說”和“堅(jiān)持認(rèn)為”時(shí)則仍用陳述語序。賓語從句賓語從句同位語語從句“推手”drivevt.推動；驅(qū)使asitis是一種語言銜接結(jié)構(gòu)，意為“事實(shí)上，實(shí)際情況是”，多用來陳述一種原因或狀況。完成句子（1）Ourteacherinsistedthatwe__________(要平衡學(xué)習(xí)與娛樂).（2）Sheinsistedthat________________（她是對的）.（3）Isuggestedthathe_______________（復(fù)習(xí)功課）forthecomingexam.（4）Hispalefacesuggestedthathe

（生病了）.（should)review/gooverhislessons(should)balancestudyandrecreation

wassick/fellill

【誤區(qū)警示】suggest作“暗示，表明”講時(shí)，insist作“堅(jiān)持說”講時(shí)，其后所接的賓語從句用陳述語氣。Itsuggeststhatheisn’twillingtogowithus.

那表明他不愿意和我們一起去。 shewasright

教材原句p.32Putmoresimply，whilepeoplecontinuetoargueoverwhetherornotfattyfoodisdangerous，wealreadyknowthatsugarisakiller.簡單地說，當(dāng)人們還在為高脂肪食物是否有害而爭論不休時(shí)，我們已經(jīng)知曉糖分是健康殺手。 【句式分析】本句中while引導(dǎo)時(shí)間狀語從句，從句中包含了whether引導(dǎo)的賓語從句，主句中含有that引導(dǎo)的賓語從句。領(lǐng)悟while的含義及句法功能（1）It’ssaidthatanAmericanoftenstartsaspeechwithajoke，whileanAustrianrarelydoesso.__________________（2）Whileonlineshoppinghaschangedourlife，notallofitseffectshavebeenpositive.______________________（3）Pleasedon’ttalksoloudlywhileothersareworking.______________________while意為“而，然而”，連接并列分句while意為“盡管，雖然”,引導(dǎo)讓步狀語從句while意為“當(dāng)……時(shí)”，引導(dǎo)時(shí)間狀語從句【辨析】when，while與as引導(dǎo)的時(shí)間狀語從句（1）when引導(dǎo)時(shí)間狀語從句時(shí)，從句的動作可與主句的動作同時(shí)發(fā)生，也可先于主句的動作發(fā)生。當(dāng)表示兩個動作同時(shí)發(fā)生時(shí)，when可與as，while互換。Whenshecomes，I’llinformyou.她來時(shí)我會告知你。［詞匯復(fù)現(xiàn)］Heenteredtheroomwhen/while/asthemeetingwasgoingon.正在開會時(shí)他走進(jìn)了房間。（2）while引導(dǎo)時(shí)間狀語從句時(shí)，從句謂語動詞用延續(xù)性動詞，表示主句的動作在從句的動作過程中發(fā)生。Theyarrivedwhilewewerehavingdinner.我們正在吃飯時(shí)他們到了。Strikewhiletheironishot.趁熱打鐵。（3）as引導(dǎo)時(shí)間狀語從句時(shí)，強(qiáng)調(diào)從句的動作與主句的動作同時(shí)發(fā)生，可譯為“正當(dāng)……時(shí)”“一邊……一邊……”“隨著”。Thestudentstooknotesastheylistened.學(xué)生們邊聽邊記筆記。Asshegrewolder，shebecamelessactive.隨著年齡的增長，她變得不愛動了。 單句語法填空（4）［詞匯復(fù)現(xiàn)］

shewasinParis，sheassociatedwithmanydistinguishedartists.（5）

shecomes，Iwilltellhertowaitforyou.（6）While

（give）concerts，themastermusiciancomposesmusicandrecitespoetry.（7）He’snotalittletired

Ifeelnotabittired.While/WhenWhengivingwhile

Muchofthisextrasugarcomesfromsweetsandsweetdrinks.TheaverageAmericangets1/3ofhisorhersugarthroughsweetdrinksalone.TheAmericanHeartAssociationrecommendsthatwelimitourselvestolessthan100－150caloriesadayfromsugar,whichislessthanwhatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar

.Inotherwords,ifyouwanttobehealthy，youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.limit...to...把...限制在...范圍內(nèi)cann.【C】【熟詞生義】金屬罐

abeercan啤酒罐acanofbeer一罐啤酒

cutdownon削減；減少...的量cutout切斷；刪去；停止賓語從句cutin插嘴，打斷（談話）cutacross/through抄近路穿過

cutaway切除；砍掉cutoff切掉；中斷；使……與外界隔絕

cutup切碎；使傷心Para3定語從句過去分詞作前置定語原因狀從(Para4)Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.本句含有四個從句：what引出的主語從句whatthismeans;that引出的表語從句thatpeople…endup…;who

引出的定語從句whochewto